First-generation product — no release history to base predictions on
Best for: Engineers and professional makers who need large-format enclosed printing with active chamber heating — and want Prusa's open-source ethos and long-term support over a closed-ecosystem competitor.
Full details →Early in release cycle — no urgency to wait
Best for: Makers who need an enclosed printer capable of engineering filaments (PA, ABS, ASA) with optional multicolor, and want more build volume than the K1C at a lower price than the Bambu X1C.
Full details →| Prusa Research CORE One L | Creality K2 Pro | |
|---|---|---|
| Tier | Professional | Prosumer |
| Motion | CoreXY | CoreXY |
| Build Volume | 300 × 300 × 330 mm | 300 × 300 × 300 mm |
| Max Speed | 500 mm/s | 600 mm/s |
| Multicolor | ❌ No | ✅ 4 slots |
| Enclosure | ✅ | ✅ |
| Auto Calibration | ✅ | ✅ |
| Open Source | ✅ | ❌ |
| Upgrade Kit | — | — |
| Materials | PLA, PETG, ABS, ASA, TPU, PA, PA-CF, PC | PLA, PETG, TPU, ABS, ASA, PA, PA-CF |
| Released | Jan 1, 2025 | Aug 25, 2025 |
| Cycle length | — | ~548 days |
| Cycle advice | Caution | Buy |
| Deals advice | Caution | Caution |
| Next model | — | — |
A large enclosed build volume with genuine active chamber heating — making the CORE One L reliable for ABS, ASA, PA, and PC across the full build plate.
All firmware, hardware designs, and slicing profiles are open source. Prusa backs the CORE One L with long-term parts availability and community support.
For institutional, government, and production customers, a dedicated Critical Infrastructure Edition is offered — Prusa's commitment to secure supply for professional users.
Unlike most budget enclosed printers that passively trap heat, the K2 Pro actively heats the chamber to 60°C — critical for reliable ABS, ASA, and PA-CF layer adhesion.
The K2 Pro's cubic build volume gives you 50% more printable space than the Bambu X1C (256×256×256 mm) — ideal for large functional parts and prototypes.
The Combo version includes Creality's CFS (Creality Filament System) for 4-color filament switching. Works across the Creality K-series lineup.